VocalEasel/Sources/VLLogWindow.mm

//
// File: VLLogWindow.mm - Manage output log window
//
// Author(s):
//
//      (MN)    Matthias Neeracher
//
// Copyright © 2005-2007 Matthias Neeracher
//

#import "VLLogWindow.h"

@implementation VLLogWindow

- (id)init
{
    self    = [super initWithWindowNibName:@"VLLogWindow"];
	logText	= [[NSMutableString alloc] initWithCapacity:1000];
	
	return self;
}

- (void)dealloc
{
	[logText autorelease];
	[super dealloc];
}

- (IBAction)printDocument:(id)sender
{
	[log print: sender];
}

- (NSString *)windowTitleForDocumentDisplayName:(NSString *)displayName
{
	return [displayName stringByAppendingString: @" - Log"];
}

- (void) logFromFileHandle:(NSFileHandle *) h
{
	NSAutoreleasePool * pool	= [[NSAutoreleasePool alloc] init];
	NSData *		   data;
	
	[logText setString: @""];
	[log setString: logText];
	while ((data = [h availableData]) && [data length]) {
		NSString * append = [[[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding] autorelease];
        dispatch_sync(dispatch_get_main_queue(), ^{
            [logText appendString: append];
            [log setString: logText];
            [log scrollRangeToVisible: NSMakeRange([logText length], 0)];
        });
		[pool release];
		pool	= [[NSAutoreleasePool alloc] init];
	}
	[pool release];
}

@end